Answer: D) It occurred independently multiple times in several eukaryotic lineages.
Explanation:
The evolution of multicellularity in eukaryotes are occurred multiple times and it has evolved atleast in 25 eukaryotic lineage. Multicellularity evolution produced in complex organisms and the biology history on the earth are drastically shaped in the ecology planet. Multicellularity is one of the reason in which such complex biodiversity existed now.